The three terminal voltage stabilizing integrated circuit CT78XX series introduced by Xinyu Semiconductor is applicable to the voltage stabilizing power supply circuits of various televisions, radio recorders, electronic instruments and equipment. The three terminal voltage regulator CT78XX of Siyu Semiconductor is a TO-220-3L package with heat sink, which has excellent heat dissipation performance. There are overheat, over-current and regulating tube protection circuits inside, which can continuously provide large current.
CT7805 typical application circuit
Figure 1. Typical application of CT7805
The peripheral circuit of the device is simple and stable, reliable, convenient to use, cheap, and low in design。
Main features of CT7805
l Large output current IOM=1.5A
l Built in overheat and overcurrent protection circuit
l PIN TO PIN replace
CT7805performance parameter
Parameter name | Symbol | numerical value | Company |
Maximum input voltage | Vi | 35 | V |
Maximum output current | IOM | 1.5 | A |
Output voltage value | Vo | 5 | V |
Output noise voltage | VN | 42 | μV/Vo |
Ripple suppression | RR | 73 | dB |
Quiescent current | Iq | 5 | mA |
Working junction temperature | Tj | 150 | ℃ |
Operating ambient temperature | TOPR | -40 ~ +125 | ℃ |
Storage temperature | TSTG | -65 ~ +150 | ℃ |
It can be seen from the above table that the CT7805 has stable performance, can achieve a maximum output current of 1.5A, and the device has a good temperature coefficient, which makes this product can be used in a wide range, with high voltage accuracy, low output noise, and strong anti-interference capability.
CT7805 TO-220-3L
Figure 2. CT7805 package size
The CT7805 is TO-220-3L package, with metal heat sink on the back, which can significantly improve heat dissipation efficiency and working stability. It is compatible with the LM7805 pin to pin of TI of Texas Instruments, and can perfectly replace the LM7805 without changing the circuit design.